GEOLOGY 250: MINERALOGY
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Lecture: MWF, Mudd 65, 9:40 AM- 11:00 AM
Laboratory: Mudd 65 Monday 1:00 PM -5:00 PM
Instructor: Bereket Haileab
Office Mudd 162, telephone 222-5746
Office hours:
Wednesday 11:00-12:00 AM, Thursday 10:00AM -12:00 PM or during lab time (or anytime by appointment)
Laboratory assistants:
Nicholas (Nick) Holschuh


Outline of Major Topics to be covered in this course lecture.

I. Crystallography (chapter 6, page 109-142, chapter 7, page 143-158, chapter 8, page 169-181, chapter 9, page 189-216)
Symmetry operations, combinations of operations
Point group symmetry, and crystal classes; Harmann-Maugin symbols
Miller indices
Stereographic plotting of symmetry elements, faces and forms
Crystal systems: and their recognition and definition

II. X-ray crystallography (chapter 14, page 307-330)
Generation of x-rays, x-ray tubes
Characteristic and white (continuous) radiation
Diffraction and the Bragg equation
Why powder diffraction works

III. Crystal chemistry (chapter 3, page 37-64, chapter 4, page 66-89, chapter 5, page 90-108)
Bonding, coordination, and coordination polyhedra, radius ratios
Polymorphism (types of transformations), solid solution, exsolution
Color in minerals; ligand field theory
Nucleation and growth of minerals

IV. Phase equlibria (chapter 11, page 245-265)
The phase rule
Reading phase diagrams; one, two and three component systems
Free energy and phase diagrams

V. Optical crystallography (chapter 13, page 287, 306 and many chapters from Bloss)
Index of refraction, refraction of light, Snell's law
Becke lines and dispersion colors
Indicatrix theory and the geometry of isotropic, uniaxial, and biaxial minerals
The relationship between crystallography and optical behavior
Origin of interference colors; birefringence; path difference
Addition and subtraction with accessory plates
Interference figures; their origin and interoperation
Determination of optic sign
Optics of many common rock forming minerals


Syllabus:
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September 14 M Introduction
September 16 W Crystallography, Lattice, Lattice point, Lattice line, Lattice plane
September 18 F Crystallography, Lattice, Lattice point, Lattice line, Lattice plane
September 21 M Symmetry operations, combination of operations, Point group symmetry & crystal classes;
September 23 W Symmetry operations, combination of operations, Point group symmetry & crystal classes;
September 25 F Symmetry operations, combination of operations, Point group symmetry & crystal classes;
September 28 M

Hermann-Magui symbols, Miller Indices, Setereographic plotting of symmetry
elements, faces, and forms, crystal systems their recognition and definitions.

September 30 W Crystal chemistry: Bonding, coordination & coordination polyhedral, radius ratios,
October 2 F Crystal chemistry: Bonding, coordination & coordination polyhedral, radius ratios,
October 5 M Structures: Major types of silicate minerals, structural groups, variation of silica from group to group, recognition of group base on the Si/O
October 7 W

Structures: Major types of silicate minerals, structural groups, variation of silica from group to group, recognition of group base on the Si/O

October 9 F Time to catch up
October 12 M X-ray crystallography, Characteristic & continuous radiation.
October 14
W Diffraction and Bragg equation. How powder diffraction works.(Remember also there will Mineral Id exam on October 26)
October 16 F Midterm exam
October 19 M Midterm Break
October 21 W Field trip to the Black Hills
October 23 F Phase equilbria and thermodynamics; The phase rule, reading phase diagrams, one, two, three component systems;
October 26 M Optical mineralogy, Light, refractive index; polarized light, isotropic media,Becke lines, Dispersion, relation between crystallography and optical behavior of minerals.
October 28 W Isotropic minerals; uniaxial optics, optic sign, birefringence, & origin of interference colors
October 30 F The indicatrix; interference figures. Uniaxial minerals
November 2 M Biaxial minerals, the biaxial indicatrixm, Biaxial optics, optic angle, sign, orientation
November 4 W Dispersion, its effects, observation and use
November 6 F General description of alkali feldspars optics Plagioclase feldspar optics, determinative methods
November 9 M Take home exam, Optics of Olivines and pyroxenes
November 11 W Optics of Amphiboles
November 13 F Optics of Micas Aluminosilicates
November 16 M Time to catch up.
November 18 W Take home exam due


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Grading:

 

Midterm 25 %
Mineral Id 20 %
Take Home exam 25%
Laboratory 15 %
Quizzes and Homework 15 %

 

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Exams and quizzes:
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Midterm October 16, 2009 60 minutes
Mineral Id October 26 60 minutes during lab time
Take Home Exam November 9 Week and half long
Take Home Exam due November 18 @ 5:00 PM  
Quizzes At the end of each Chapter 10 minutes long

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Required Books and Materials:
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Book: Klein, C., 2002, Mineral Science, (23nd Edition), Wiley & Sons, 675 pages

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Useful References (* indicates book(s) on General Reserve)
Berry, L.G., Mason, B. and Dietrich, R.B., 1983, Mineralogy(*) (2nd Edition), W.H. Freeman & Co., 561 p.
Deer, W.A., Howie, R.A. and Zussman, J., 1966, An Introduction to the Rock-forming Minerals(*), Longman, 528 p.
Zoltai, T. and Stout, J.H., 1984, Mineralogy Concepts and Principles(*), Burgess Publishing Co., 505 p.


Dana's System of Mineralogy, John Wiley and Sons.
Vol. 1. Elements, Sulfides, Sulfosalts and Oxides, Palache, C., Berman, H. and Frondel, C., 1944.
Vol. 2. Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, etc., Palache, C., Berman, H. and Frondel, C., 1951.
Vol. 3. Silica Minerals, Frondel, C., 1962.


Deer, W.A., Howie, R.A. and Zussman, J., John Wiley and Sons.
Vol. 1. Ortho and Ring Silicates, 1962.
Vol. 2. Chain Silicates, 1963.
Vol. 3. Sheet Silicates, 1962.
Vol. 4. Framework Silicates, 1963.
Vol. 5. Non Silicates, 1962.


Reviews in Mineralogy, Mineralogical Society of America
Vol. 1. Sulfide Mineralogy, Ribbe, P.H., Ed., 1974, 284 p.
Vol. 2. Feldspar Mineralogy, Ribbe, P.H., Ed., 1982, 350 p.
Vol. 3. Oxide Minerals, Rumble, D., III, Ed., 1976, 502 p.
Vol. 4. Mineralogy and Geology of Natural Zeolites, Mumpton, F.A., Ed., 1977, 232 p.
Vol. 5. Orthosilicates, Ribbe, P.H., Ed., 1982, 410 p.
Vol. 6. Marine Minerals, Burns, R.G. Ed., 1979, 380 p.
Vol. 7. Pyroxenes, Prewitt, C.T., Ed., 1980, 525 p.
Vol. 9a. Amphiboles and other Hydrous Pyriboles- Mineralogy, Veblen, D.R., Ed., 1981, 372 p.
Vol. 11. Carbonates: Mineralogy and Chemistry, Reeder, R.J., Ed., 1983, 394 p.
Vol. 13. Micas, Bailey, S.W., Ed., 1984, 584 p.
Vol. 19. Hydrous Phyllosilicates (Exclusive of Micas), Bailey, S.W., Ed., 1988, 725 p.
Vol. 21. Geochem. and mineralogy of Rare Earth Elements, Lipin, B.R. and McKay, G.A., Eds., 1989, 348 p.

Handbook of Mineralogy, Anthony, J.W., Bideaux, R.A., Bladh, K.W. & Nichols, M.C.,
Mineral Data Publ., Tucson, AZ.


Laboratory syllabus:
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Lab Date Topic Reading
Lab 1 September 14 Physical properties of minerals Chapter, 2, page 19-36
Lab 2 September 21 Crystallography Chapter, 6, 7, 8 and 9, p. 109-216, CD
Lab 3 September 28 Systematic Min. Identification Chapter, 15, 16, 17, 18, and 19
Lab 4 October 5 X-Ray Crystallography Chapter, 14
Lab 5 October 12 No lab No lab
Lab 6 October 26 Optics Chapter, 13
Lab 7 November 2 Isotopic minerals and Uniaxial minerals Chapter, 13 and Bloss*
Lab 8 November 9 Uniaxial minerals Bloss
Lab 9 November 16 Biaxial Minerals Bloss

Lab Information and Syllabus:


All labs are due at the beginning of the following lab.


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Reading from Bloss*:

Topic page
Refractive index, isotropic and anisotropic media 6
Snell's law 8
Dispersion 12
Optical examination of isotropic substances, Refractive index measurement in liquids. 47
Optical indicatrics 106
Interference colors 65-90
Orthoscopic and conoscopic 106
Origin of isochromes 109
Origin of isogyres 112
Types of Uniaxial interference figures 116-120
Determination of optic sign 127-130
Extinction angles 145
Absorption and pleochroism 147
Biaxial crystals, Biaxial indicatrix 151-153
Biaxial interference figures 170-177
Determination of optic sign in biaxial minerals 197
Measurement of 2V and Measurement and significance of extinction angles 203, 207-210
Sign of elongation 211

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Laboratory Supplies:
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Below is a list of laboratory supplies needed for every laboratory exercise for Mineralogy 250 and a clue as to where the materials may be found or obtained.

Lab 1 Mineral Properties and hand specimen identification


Lab 2 Crystallography,
Wooden blocks
- Mineral samples

Lab 3 X-ray and Density
- Demonstration of X-ray in Mudd
- X-ray diffraction chart recording

Lab 4 Systematic Mineral Identification: Native Elements, Sulfides, Sulfosalts, Oxides,, Hydroxides, Halides, Phosphates, Carbonates, Sulfates, and Silicates
- Review mineral identification techniques: color, hardness, etc.
- Review characteristics of the minerals of the week


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Labs 6-9 Optical mineralogy
Familiarization of parts and their functions of the optical microscope. Immersion method determining refractive Index. Optical examination of Isotropic minerals in immersion oils, uniaxial and biaxial minerals, and optics of the most common rock forming minerals.
Microscopes, oils with different refractive index and many thin-sections consisting of different minerals will be available for these labs.

 

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